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Current Warnings
Louis-H.-La Fontaine Tunnel
Contraflow traffic (north tube), 2 lanes northbound and only one southbound.
Northbound lanes width reduced to 3.2 m. Cause: tunnel repair.
Heavy vehicles:
Coming from A-20 West/A-25 North (towards Montréal), right lane MANDATORY from De Mortagne Blvd.
Coming from A-25 South (towards Longueuil), right lane PROHIBITED from Sherbrooke Street.
Québec wide
Thaw period
Abitibi-Témiscamingue
Closure Route Principale between R-109 and chemin de la Sablière, WESTBOUND and EASTBOUND, Authier-Nord, undetermined period. Reason : Flooding.
117
Alternating traffic R-117 at height km 656, SOUTHBOUND and NORTHBOUND, Rouyn-Noranda, undetermined period. Reason : Flooding.
388
Alternating traffic R-388 at height lac Duparquet, WESTBOUND and EASTBOUND, Rapide-Danseur, undetermined period. Reason : Road failure.
391
Alternating traffic R-391 at height traverse du Lac-Cloutier, SOUTHBOUND and NORTHBOUND, Guérin, undetermined period. Reason : Flooding.
391
Alternating traffic R-391 at height rang de la Carrière, SOUTHBOUND and NORTHBOUND, Rouyn-Noranda, undetermined period. Reason : Flooding.
395
Closure R-395 at height chemin Jacob, SOUTHBOUND and NORTHBOUND, Amos, undetermined period, detour on local network. Reason : Broken structure.
Closure chemin d'Aiguebelle between Lake Genest and Aiguebelle National Park, SOUTHBOUND and NORTHBOUND, Taschereau, From November 15, 2023 at 12 a.m. to May 1, 2024 at 9 a.m.. Reason : Winter closure.
Closure chemin de Pénétration at height chemin du Lac-Moran, SOUTHBOUND and NORTHBOUND, Béarn, undetermined period, detour R-391, chemins des 7 ième et 1 rangs, chemin des Quinze, rang 6 ième. Reason : Flooding.
Closure route Principale between route Principale and chemin des 6e-et-7e-Rangs-de-Chazel, SOUTHBOUND and NORTHBOUND, Authier-Nord, undetermined period, detour on local network. Reason : Flooding.
Closure 1re Avenue Est at height rivière Loïs, WESTBOUND and EASTBOUND, Macamic, undetermined period, detour on local network. Reason : Flooding.
Alternating traffic Chemin du Lac-Mourier / Rue La Salle at height chemin des Merles, SOUTHBOUND and NORTHBOUND, Malartic, undetermined period. Reason : Road failure.
Alternating traffic Chemin des 9e-et-10e-Rangs at height chemin du Nord, SOUTHBOUND and NORTHBOUND, Languedoc, undetermined period. Reason : Flooding.
Closure chemin Duval at height rivière Vassan, WESTBOUND and EASTBOUND, Val-d'Or, undetermined period, detour on local network. Reason : Flooding.
Alternating traffic Chemin de Moffet-Laforce at height lac Chevreuil, SOUTHBOUND and NORTHBOUND, Moffet, undetermined period. Reason : Flooding.
Closure Route du Village / Rue du Village between R-388 and rang du Coin-St-Pierre, SOUTHBOUND and NORTHBOUND, Rapide-Danseur, undetermined period, detour on local network. Reason : Flooding.
Chaudière-Appalaches
Continuation of major work on the Laviolette Bridge during weekends from mid-March, weather conditions permitting, until fall 2024.
20
Closure A-20 Belles-Amours rest stop closed between km 393 and 394. Only parking in the service area is permitted., WESTBOUND, L'Islet, undetermined period. Reason : Closure of services.
Côte-Nord
138
Alternating traffic R-138 Touzel Bridge, on the Sheldrake river. , WESTBOUND and EASTBOUND, undetermined period. Reason : Broken structure.
Closure chemin de la Baie-Sainte-Claire between Rue des Menier and Pointe-de-l’Ouest, WESTBOUND and EASTBOUND, L'Île-d'Anticosti, undetermined period. Reason : Reopening planned for May.
Closure route Transanticostienne between chemin du Champ-de-Tir and km 264, WESTBOUND and EASTBOUND, L'Île-d'Anticosti, undetermined period. Reason : Reopening planned for April.
Estrie
Alternating traffic WINDER (PONT) at height rivière Massawippi, SOUTHBOUND and NORTHBOUND, Sherbrooke, undetermined period. Reason : Broken structure.
Laurentides—Lanaudière
Louis-H.-La Fontaine Tunnel
Contraflow traffic (north tube), 2 lanes northbound and only one southbound.
Northbound lanes width reduced to 3.2 m. Cause: tunnel repair.
Heavy vehicles:
Coming from A-20 West/A-25 North (towards Montréal), right lane MANDATORY from De Mortagne Blvd.
Coming from A-25 South (towards Longueuil), right lane PROHIBITED from Sherbrooke Street.
Continuation of major work on the Laviolette Bridge during weekends from mid-March, weather conditions permitting, until fall 2024.
329
Alternating traffic R-329 at height chemin Wall, SOUTHBOUND and NORTHBOUND, Saint-Donat, undetermined period. Reason : Road failure.
329
Alternating traffic R-329 at height chemin du Mont-Jasper, SOUTHBOUND and NORTHBOUND, Saint-Donat, undetermined period. Reason : Flooding.
Closure Chemin de Château-Bleu at height rivière du Nord, SOUTHBOUND and NORTHBOUND, Sainte-Agathe-des-Monts, undetermined period, detour on local network. Reason : Flooding.
Laval
Louis-H.-La Fontaine Tunnel
Contraflow traffic (north tube), 2 lanes northbound and only one southbound.
Northbound lanes width reduced to 3.2 m. Cause: tunnel repair.
Heavy vehicles:
Coming from A-20 West/A-25 North (towards Montréal), right lane MANDATORY from De Mortagne Blvd.
Coming from A-25 South (towards Longueuil), right lane PROHIBITED from Sherbrooke Street.
13
1 lane closed out of 3 A-13 between pont Louis-Bisson and boulevard Samson, NORTHBOUND, Laval, traffic congestion, undetermined period. Reason : Accident.
Mauricie—Centre-du-Québec
Continuation of major work on the Laviolette Bridge during weekends from mid-March, weather conditions permitting, until fall 2024.
55
1 lane closed out of 2 Pont Laviolette between Bécancour and Trois-Rivières, SOUTHBOUND and NORTHBOUND, From April 19, 2024 at 8 p.m. to April 22, 2024 at 6:30 a.m.. Reason : Roadwork.
Montérégie
25
Louis-H.-La Fontaine Tunnel
Contraflow traffic (north tube), 2 lanes northbound and only one southbound.
Northbound lanes width reduced to 3.2 m. Cause: tunnel repair.
Heavy vehicles:
Coming from A-20 West/A-25 North (towards Montréal), right lane MANDATORY from De Mortagne Blvd.
Coming from A-25 South (towards Longueuil), right lane PROHIBITED from Sherbrooke Street.
Continuation of major work on the Laviolette Bridge during weekends from mid-March, weather conditions permitting, until fall 2024.
20
Slow-moving traffic A-20 towards A-10 east, direction Sherbrooke, traffic on diverted lanes and lane width at 3.9 meters., WESTBOUND, undetermined period. Reason : Work planned later.
20
Slow-moving traffic A-20 Towards A-10 west, direction Montreal, traffic on diverted lanes, lane width reduced to 3.9 meters., WESTBOUND, Brossard, undetermined period. Reason : Work planned later.
Montréal
Louis-H.-La Fontaine Tunnel
Contraflow traffic (north tube), 2 lanes northbound and only one southbound.
Northbound lanes width reduced to 3.2 m. Cause: tunnel repair.
Heavy vehicles:
Coming from A-20 West/A-25 North (towards Montréal), right lane MANDATORY from De Mortagne Blvd.
Coming from A-25 South (towards Longueuil), right lane PROHIBITED from Sherbrooke Street.
Continuation of major work on the Laviolette Bridge during weekends from mid-March, weather conditions permitting, until fall 2024.
Slow-moving traffic A-20 towards A-10 east, direction Sherbrooke, traffic on diverted lanes and lane width at 3.9 meters., WESTBOUND, undetermined period. Reason : Work planned later.
Slow-moving traffic A-20 Towards A-10 west, direction Montreal, traffic on diverted lanes, lane width reduced to 3.9 meters., WESTBOUND, Brossard, undetermined period. Reason : Work planned later.
Nord-du-Québec
Closure Route Principale between R-109 and chemin de la Sablière, WESTBOUND and EASTBOUND, Authier-Nord, undetermined period. Reason : Flooding.
Outaouais
321
In Saint-André-Avellin, on the bridge of rivière Petite Nation river bridge, track width reduced to 2.5 meters SOUTHBOUND. Undetermined period. Cause: preventive measures.
Alternating traffic chemin du Barrage Chemin du Barrage, on the bridge over Rivière Blanche. Lane width reduced to 4.6 meters., WESTBOUND and EASTBOUND, Val-des-Monts, undetermined period. Reason : Preventive measures.
Québec (Capitale-Nationale)
Continuation of major work on the Laviolette Bridge during weekends from mid-March, weather conditions permitting, until fall 2024.
175
1 lane closed out of 2, Contraflow traffic R-175 between km 89 and km 95, SOUTHBOUND and NORTHBOUND, Secteur Lac-Jacques-Cartier, From April 21, 2024 at 12:01 a.m. to April 24, 2024 at 11:59 p.m.. Reason : Special events.
Saguenay—Lac-Saint-Jean
1 lane closed out of 2, Contraflow traffic R-175 between km 89 and km 95, SOUTHBOUND and NORTHBOUND, Secteur Lac-Jacques-Cartier, From April 21, 2024 at 12:01 a.m. to April 24, 2024 at 11:59 p.m.. Reason : Special events.
Continuation of major work on the Laviolette Bridge during weekends from mid-March, weather conditions permitting, until fall 2024.
172
Bridge over the Rivière aux Vases closed.
1 km detour for all vehicles via Adélard Street at all times. Indefinite period.
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